1.5.1.1.7.1.23. polar2grid.readers.virr_l1b module

The VIRR Level 1B reader operates on Level 1B (L1B) HDF5 files.

Files usually have the following naming scheme:

tf2018343030324.FY3C-L_VIRRX_L1B.HDF or tf2018343092538.FY3B-L_VIRRX_L1B.HDF the numbers at the start are year julian-day hour minute seconds

This reader’s default resampling algorithm is ewa for Elliptical Weighted Averaging resampling. The --fornav-D parameter is set to 40 and the --fornav-d parameter is set to 1.

Product Name	Description	Central Wavelength (um)
1	Channel 1 Reflectance Band	0.63
2	Channel 2 Reflectance Band	0.865
3	Channel 3 Emissive Band	3.74
4	Channel 4 Emissive Band	10.8
5	Channel 5 Emissive Band	12.0
6	Channel 6 Reflectance Band	1.60
7	Channel 7 Reflectance Band	0.455
8	Channel 8 Reflectance Band	0.505
9	Channel 9 Reflectance Band	0.555
10	Channel 10 Reflectance Band	1.36
true_color	Ratio sharpened rayleigh corrected true color	N/A

class polar2grid.readers.virr_l1b.ReaderProxy(scn: Scene, user_products: list[str])

Bases: ReaderProxyBase

Provide Polar2Grid-specific information about this reader’s products.

property _aliases: dict

get_all_products() → list[str]

Get all polar2grid products that could be loaded.

get_default_products() → list[str]

Get products to load if users hasn’t specified any others.

is_polar2grid_reader: bool = True

polar2grid.readers.virr_l1b.add_reader_argument_groups(parser: ArgumentParser, group: Optional[_ArgumentGroup] = None) → tuple[Optional[argparse._ArgumentGroup], Optional[argparse._ArgumentGroup]]

Add reader-specific command line arguments to an existing argument parser.